this repair kit focus is on the wear components like the seat ring and gasket

Compact Housing: Small physical footprint allows for easy installation in crowded control consoles found in commercial kitchens

The manual reset thermal limit is a safety standard

it is fully compatible with high-pressure refrigerants like R-410A and R-22

Precise Pilot Integration: Includes a factory-machined 1/8"-27 NPT pilot tap for secure and leak-free pilot line connections

Lochinvar & A.O. Smith 100289519 Label 320074-702 this repair kit focus isWhen you are out in the field servicing high efficiency hydronic systems, having a legible and responsive interface is non negotiable for precise diagnostics. The Lochinvar & A. O. Smith 100289519 Label is the direct OEM replacement control overlay designed for the Smart System control interface found on Lochinvar Knight and A. O. Smith Vertex series boilers and water heaters. This Control Overlay Label features a professional grade adhesive backing